If there are m unknown member forces, r unknown reaction components and j number of joints, then the degree of static indeterminacy of a pin-jointed plane frame is given by__________________?
(A) m + r + 2j
(B) m – r + 2j
(C) m + r – 2j
(D) m + r – 3j
Degree of static indeterminacy of a rigid-jointed plane frame having 15 members, 3 reaction components and 14 joints is__________________?
(A) 2
(B) 3
(C) 6
(D) 8
Independent displacement components at each joint of a rigid-jointed plane frame are_________________?
(A) three linear movements
(B) two linear movements and one rotation
(C) one linear movement and two rotations
(D) three rotations
A pin-jointed plane frame is unstable if________________?
(A) (m + r)<2j
(B) m + r = 2j
(C) (m + r)>2j
(D) none of the above
The number of independent equations to be satisfied for static equilibrium in a space structure is___________________?
(A) 2
(B) 3
(C) 4
(D) 6
The degree of static indeterminacy of a rigid-jointed space frame is_________________?
(A) m + r – 2j
(B) m + r – 3j
(C) 3m + r – 3j
(D) 6m + r – 6j where m, r and j have their usual meanings
The number of independent displacement components at each joint of a rigid-jointed space frame is_______________?
(A) 1
(B) 2
(C) 3
(D) 6
The principle of virtual work can be applied to elastic system by considering the virtual work of_________________?
(A) internal forces only
(B) external forces only
(C) internal as well as external forces
(D) none of the above
The capacity of parallel runway pattern depends upon______________?
(A) weather conditions and navigational aids available
(B) lateral spacing between two runways and weather conditions
(C) lateral spacing between two runways and navigational aids available
(D) lateral spacing between two runways, weather conditions and navigational aids available
The total length of a runway is 1000 m. The elevation at distance 0,200 m, 400 m, 600 m, 800 m and 1000 m are 100.0 m, 99.2 m, 101.0 m, 101.8 m, 101.4 m and 101.0 m respectively. The effective gradient of runway will be______________?
(A) 0.10%
(B) 0.26%
(C) 0.43 %
(D) 0.65%